WO2004005003A8 - 加圧ガス導入装置、及び、中空部を有する成形品の射出成形方法 - Google Patents

加圧ガス導入装置、及び、中空部を有する成形品の射出成形方法

Info

Publication number
WO2004005003A8
WO2004005003A8 PCT/JP2003/008386 JP0308386W WO2004005003A8 WO 2004005003 A8 WO2004005003 A8 WO 2004005003A8 JP 0308386 W JP0308386 W JP 0308386W WO 2004005003 A8 WO2004005003 A8 WO 2004005003A8
Authority
WO
WIPO (PCT)
Prior art keywords
pressurized gas
gas supply
hollow portion
introducing device
moldings
Prior art date
Application number
PCT/JP2003/008386
Other languages
English (en)
French (fr)
Other versions
WO2004005003A1 (ja
Inventor
Yoshihiro Kayano
Akimasa Kaneishi
Hiroyuki Imaizumi
Original Assignee
Mitsubishi Eng Plastics Corp
Yoshihiro Kayano
Akimasa Kaneishi
Hiroyuki Imaizumi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Eng Plastics Corp, Yoshihiro Kayano, Akimasa Kaneishi, Hiroyuki Imaizumi filed Critical Mitsubishi Eng Plastics Corp
Priority to US10/514,315 priority Critical patent/US7521016B2/en
Publication of WO2004005003A1 publication Critical patent/WO2004005003A1/ja
Publication of WO2004005003A8 publication Critical patent/WO2004005003A8/ja

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/1732—Control circuits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

加圧ガス導入装置は、加圧ガス供給源１０と、複数の計量タンク２０Ａ，２０Ｂ，２０Ｃと、第１加圧ガス供給路３０と、第１加圧ガス供給路３０の途中に配置された加圧ガス供給弁３１Ａ，３１Ｂ，３１Ｃと、第２加圧ガス供給路３２と、各第２加圧ガス供給路３２の途中に配置された加圧ガス排出制御弁３３Ａ，３３Ｂ，３３Ｃから構成され、成形品に中空部を形成するために必要とされる加圧ガス量に基づき計量タンク２０Ａ，２０Ｂ，２０Ｃの組合せを決定し、かかる決定に基づき各第２加圧ガス供給路３２に配置された加圧ガス排出制御弁３３Ａ，３３Ｂ，３３Ｃを制御する。
PCT/JP2003/008386 2002-07-04 2003-07-02 加圧ガス導入装置、及び、中空部を有する成形品の射出成形方法 WO2004005003A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/514,315 US7521016B2 (en) 2002-07-04 2003-07-02 Pressurized gas introducing device, and injection molding method for moldings having hollow portion

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002195589 2002-07-04
JP2002-195589 2002-07-04

Publications (2)

Publication Number Publication Date
WO2004005003A1 WO2004005003A1 (ja) 2004-01-15
WO2004005003A8 true WO2004005003A8 (ja) 2005-01-27

Family

ID=30112344

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/008386 WO2004005003A1 (ja) 2002-07-04 2003-07-02 加圧ガス導入装置、及び、中空部を有する成形品の射出成形方法

Country Status (3)

Country Link
US (1) US7521016B2 (ja)
CN (1) CN100439072C (ja)
WO (1) WO2004005003A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE551389T1 (de) * 2009-08-07 2012-04-15 Ticona Llc Polyacetalzusammensetzung mit geringer formaldeyd-emission
JP5672179B2 (ja) 2011-07-06 2015-02-18 株式会社豊田自動織機 射出装置
EP2760927A1 (en) 2011-09-29 2014-08-06 Ticona LLC Polymer composition for producing articles having a metallic appearance
JPWO2016052480A1 (ja) * 2014-09-30 2017-07-13 住友理工株式会社 ガスインジェクション成形用樹脂組成物およびそれを用いて得られた中空成形体、並びにその中空成形体の製法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2139548B (en) 1983-05-11 1986-11-19 James Watson Hendry Injection moulding
US4534656A (en) * 1983-06-07 1985-08-13 Techne Corporation Floating magnetic stirrer with driving guide rod
DE3734164C3 (de) 1987-10-09 1999-09-09 Battenfeld Gmbh Verfahren zum Spritzgießen von Formteilen aus thermoplastischen Kunststoffen sowie Vorrichtung zur Durchführung des Verfahrens
DE58903027D1 (de) * 1988-09-26 1993-01-28 Engel Gmbh Maschbau Spritzgiessmaschine.
DE3991547C2 (de) * 1988-12-26 1994-11-03 Asahi Chemical Ind Verfahren und Vorrichtung zum Spritzgießen eines hohlen, geformten Gegenstandes
US5252287A (en) * 1989-11-03 1993-10-12 Dynamit Nobel Ag Method of injection molding hollow articles
US5118455A (en) * 1990-03-29 1992-06-02 Loren Norman S Gas assisted injection molding
US5039463A (en) * 1990-03-29 1991-08-13 Loren Norman S Gas assisted injection molding
US5198240A (en) * 1990-07-19 1993-03-30 Nitrojection Corporation Pressurization control unit for a gas-assisted injection molding machine
US5411685A (en) * 1992-10-08 1995-05-02 Design-Rite, Inc. Gas control unit and process for gas-assisted injection molding
JP2511800B2 (ja) * 1993-07-19 1996-07-03 泰典 堀 樹脂成形品及びその成形方法並びにその成形装置
JP3586752B2 (ja) * 1995-03-20 2004-11-10 株式会社フジキン 中空射出成形における加圧ガス供給装置
US5900198A (en) * 1996-01-31 1999-05-04 Hori; Yasunori Method of producing molded resin product
JP3517769B2 (ja) * 1997-07-10 2004-04-12 東洋機械金属株式会社 射出成形機のガス供給システム

Also Published As

Publication number Publication date
CN1665664A (zh) 2005-09-07
WO2004005003A1 (ja) 2004-01-15
CN100439072C (zh) 2008-12-03
US20050226954A1 (en) 2005-10-13
US7521016B2 (en) 2009-04-21

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